* {
  padding: 0;
  margin: 0;
  box-sizing: content-box; }

header {
  background: #2f2f2f;
  color: white;
  width: 100%;
  height: 42px; }
  header ul {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex: 0 0 42px; }
    header ul li {
      list-style: none; }
    header ul .item {
      color: white;
      text-decoration: none; }
    header ul .logo {
      display: block;
      float: left;
      width: 165px;
      height: 40px;
      background-position: 0 0px;
      background: url(https://github.com/lilongllong/netease-music-react/blob/master/images/logo.png?raw=true) no-repeat; }

footer {
  width: 100%;
  height: 53px;
  position: fixed;
  bottom: 0;
  left: 0; }
